(content => {
let span_list = content.querySelectorAll('span'),
map = [], full_text = "";
span_list.forEach(span => {
let left = parseInt(span.style.left),
top = parseInt(span.style.top);
map[top] = map[top] || [];
map[top][left] = span.innerText;
});

map.forEach(line => {
line.forEach(text => {
full_text += text
});
})

console.log(full_text)
})(document.getElementById('renderTargetContent'))